Unrated severityNVD Advisory· Published Jun 18, 2026· Updated Jun 18, 2026
Reflected XSS in UBB.threads
CVE-2026-54221
Description
UBB.threads is vulnerable to Reflected XSS. The application improperly handles user input in certain requests, enabling attackers to execute arbitrary JavaScript in the context of a victim's browser by tricking them into clicking a crafted link. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 7.7.5 but may also affect other versions.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=7.7.5
Patches
Vulnerability mechanics
References
2- cert.pl/en/posts/2026/06/CVE-2026-54219mitrethird-party-advisory
- www.ubbcentral.commitreproduct
News mentions
0No linked articles in our index yet.